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Results on both machines over per-connection emulated links: seven grace delay settings with a fifth client CPU; the promising ones over three link qualities (100 Mbit/s 2 ms 0.1%, 20 Mbit/s 5 ms 0.5%, 5 Mbit/s 25 ms 1%); copying against splice() with and without grace delay, the CONNECT mix included; and the slow link with waits matched to its rate (10 and 20 ms). Grace delay saves 35-46% of 3proxy's CPU per gigabyte on streams at 20 Mbit/s and 21-29% at 5 Mbit/s with a 10 ms wait, does nothing on fast links, and costs CPU with waits too short for the rate or once the CPU is exhausted. Over these links splice() and copying cost about the same in the mix scenarios. A caveat says that every scenario but the mix ones is synthetic. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
13 KiB
13 KiB
| 1 | proxy | scenario | rep | gbit | rate | p50_ms | p90_ms | p99_ms | errors | timeouts | retrans | prx_cpu_s | prx_task_s | cpu_s_per_gb | cpu_us_per_req | peak_mb | cli_util | prx_util | srv_util | cli_thread | srv_thread | bound |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2 | nginx-halfclose | relay-stream16 | 0 | 1.5197937816566662 | nan | nan | nan | nan | 0 | 0 | 1100 | 8.24 | 5.2762389999999995 | 4.333210017748828 | nan | 32.68359375 | 0.0577019568489714 | 0.7363717605004468 | 0.28766455387615797 | 0.04659122391292757 | 0.33800459850545406 | none |
| 3 | 3proxy-devel | relay-stream16 | 0 | 1.5178317816989428 | nan | nan | nan | nan | 0 | 0 | 1377 | 9.58 | 7.763488000000001 | 5.044488895670854 | nan | 5.62890625 | 0.06818764419379646 | 0.8944911297852475 | 0.29003021148036257 | 0.042770388494124185 | 0.37208640153649725 | none |
| 4 | 3proxy-devel-g8000,2,2 | relay-stream16 | 0 | 1.5196108289365156 | nan | nan | nan | nan | 0 | 0 | 1426 | 9.64 | 8.044172999999999 | 5.070833099920712 | nan | 4.8671875 | 0.045732517947354424 | 0.9068673565380997 | 0.3042606516290727 | 0.036136158136357156 | 0.38941279048386634 | proxy |
| 5 | 3proxy-devel-g6000,2,2 | relay-stream16 | 0 | 1.522210352491903 | nan | nan | nan | nan | 0 | 0 | 1118 | 9.59 | 7.895031 | 5.035851989447829 | nan | 5.80078125 | 0.037846481876332626 | 0.9013157894736842 | 0.29506545820745217 | 0.033290307838987454 | 0.38173698718538807 | proxy |
| 6 | 3proxy-devel-g6000,3,2 | relay-stream16 | 0 | 1.5207197902001974 | nan | nan | nan | nan | 0 | 0 | 1255 | 9.6 | 7.782509999999999 | 5.04561776660237 | nan | 7.7890625 | 0.0389920424403183 | 0.897196261682243 | 0.29396984924623115 | 0.03614891578916929 | 0.38000493544789754 | none |
| 7 | 3proxy-devel-g8000,2,3 | relay-stream16 | 0 | 1.5201290370022236 | nan | nan | nan | nan | 0 | 0 | 1528 | 9.72 | 8.176627 | 5.110800471657478 | nan | 4.32421875 | 0.06094329623741388 | 0.9101123595505618 | 0.3017632241813602 | 0.03993064845471943 | 0.38728524089884475 | proxy |
| 8 | nginx-halfclose | mix-relay-3k | 0 | 0.4985129048 | 1982.8 | 1703.936 | 3276.8 | 6029.312 | 0 | 0 | 0 | 7.35 | 3.5929249999999997 | 11.79508081613056 | 370.68791607827313 | 754.546875 | 0.7766410912190963 | 0.6166107382550335 | 0.22636363636363635 | 1.6947830293775685 | 0.2849053732365753 | client |
| 9 | 3proxy-devel | mix-relay-3k | 0 | 0.480300364 | 1922 | 2031.616 | 3670.016 | 6291.456 | 0 | 0 | 0 | 8.96 | 5.3926359999999995 | 14.923994519396201 | 466.18106139438083 | 1534.390625 | 0.7839506172839507 | 0.7529411764705882 | 0.2682926829268293 | 1.5531723609125685 | 0.35005338786549944 | client |
| 10 | 3proxy-devel-g8000,2,2 | mix-relay-3k | 0 | 0.495507084 | 1970.3 | 1900.544 | 3407.872 | 6291.456 | 0 | 0 | 0 | 8.52 | 4.725255000000001 | 13.75560556062605 | 432.4214586611176 | 1535.78125 | 0.783816425120773 | 0.7251063829787234 | 0.24826308476146364 | 1.6356059981212292 | 0.3076488561471491 | client |
| 11 | 3proxy-devel-g6000,2,2 | mix-relay-3k | 0 | 0.48287587439999996 | 1924.8 | 1769.472 | 3538.944 | 6291.456 | 0 | 0 | 0 | 8.42 | 4.7308710000000005 | 13.949754703255476 | 437.44804655029094 | 1530.421875 | 0.7908632968560014 | 0.7246127366609294 | 0.2414759458197104 | 1.6412671225653386 | 0.30796840661474983 | client |
| 12 | 3proxy-devel-g6000,3,2 | mix-relay-3k | 0 | 0.487372528 | 1924.5 | 2097.152 | 3801.088 | 6553.6 | 1 | 0 | 0 | 8.5 | 4.836101000000001 | 13.952366227749298 | 441.67316186022344 | 1531.015625 | 0.7938271604938272 | 0.743006993006993 | 0.24680851063829787 | 1.6539630292923544 | 0.3072660402809062 | client |
| 13 | 3proxy-devel-g8000,2,3 | mix-relay-3k | 0 | 0.4697415608 | 1880.2 | 1835.008 | 3538.944 | 6291.456 | 0 | 0 | 0 | 8.94 | 5.330570000000001 | 15.225393273313276 | 475.48133177321563 | 1524.39453125 | 0.7743607463718037 | 0.7614991482112436 | 0.2642295233688107 | 1.65347062801864 | 2.8762057741531373 | origin |
| 14 | nginx-halfclose | mix-http-3k | 0 | 0.49406255039999997 | 1962.9 | 1703.936 | 3407.872 | 6029.312 | 0 | 0 | 0 | 6.95 | 3.1941349999999997 | 11.253635790647452 | 354.0679606704366 | 530.68359375 | 0.762582613116421 | 0.572959604286892 | 0.17186813186813188 | 1.6396175825039987 | 0.20424898857963328 | client |
| 15 | 3proxy-devel | mix-http-3k | 0 | 0.4313888288 | 1768.2 | 2228.224 | 4063.232 | 6553.6 | 0 | 0 | 0 | 9.87 | 7.398371000000001 | 18.30367286506794 | 558.1947743467933 | 1769.73046875 | 0.7738461538461539 | 0.8515962036238136 | 0.27255726975222067 | 1.6303900064326375 | 0.3830629717958997 | client |
| 16 | 3proxy-devel-g8000,2,2 | mix-http-3k | 0 | 0.4300938312 | 1826.8 | 2228.224 | 4063.232 | 6291.456 | 0 | 0 | 0 | 10.4 | 8.182551 | 19.34461598016056 | 569.301510838625 | 1796.36328125 | 0.7735101619014813 | 0.8957795004306632 | 0.2928436911487759 | 1.665556024497354 | 0.41284061408566275 | client |
| 17 | 3proxy-devel-g6000,2,2 | mix-http-3k | 0 | 0.4281417216 | 1765.7 | 2097.152 | 4063.232 | 6291.456 | 0 | 0 | 0 | 8.91 | 6.152481 | 16.648692805181636 | 504.6157331369995 | 1763.51171875 | 0.7901365974809296 | 0.8041516245487365 | 0.2537823328452904 | 1.6184067301120322 | 0.3515396195733748 | client |
| 18 | 3proxy-devel-g6000,3,2 | mix-http-3k | 0 | 0.4610462312 | 1823.7 | 2490.368 | 4194.304 | 6291.456 | 0 | 0 | 0 | 10.36 | 8.070208999999998 | 17.976505259414427 | 568.0758896748368 | 1768.04296875 | 0.7666148800276196 | 0.8907996560619088 | 0.28330995792426367 | 1.6296759431118804 | 0.3964005955920919 | client |
| 19 | 3proxy-devel-g8000,2,3 | mix-http-3k | 0 | 0.446004792 | 1845.3 | 2228.224 | 3932.16 | 6291.456 | 0 | 0 | 0 | 9.57 | 7.134555 | 17.165734847082092 | 518.6148593724598 | 1796.9609375 | 0.7866071428571428 | 0.8590664272890485 | 0.2767944936086529 | 1.6182855497839692 | 0.3905224753506673 | client |
| 20 | 3proxy-devel | relay-stream16 | 1 | 1.5219544304809254 | nan | nan | nan | nan | 0 | 0 | 1408 | 9.72 | 8.252146 | 5.104819635420252 | nan | 5.22265625 | 0.04752851711026616 | 0.9135338345864662 | 0.3028628829733802 | 0.036142292422000045 | 0.3866243545783022 | proxy |
| 21 | 3proxy-devel-g8000,2,2 | relay-stream16 | 1 | 1.5189135991244362 | nan | nan | nan | nan | 0 | 0 | 1403 | 9.7 | 8.139294 | 5.1045059286194645 | nan | 7.2265625 | 0.04806408544726302 | 0.9090909090909091 | 0.29521410579345087 | 0.03993423484052298 | 0.3816733626043633 | proxy |
| 22 | 3proxy-devel-g6000,2,2 | relay-stream16 | 1 | 1.52517257941504 | nan | nan | nan | nan | 0 | 0 | 1344 | 9.66 | 8.057223 | 5.062157508886256 | nan | 4.33203125 | 0.045009266613714585 | 0.9070422535211268 | 0.3056528264132066 | 0.0342180244289523 | 0.389300171409241 | proxy |
| 23 | 3proxy-devel-g6000,3,2 | relay-stream16 | 1 | 1.5199210101670477 | nan | nan | nan | nan | 0 | 0 | 1383 | 9.63 | 7.917616 | 5.0638272338505415 | nan | 5.125 | 0.04994797086368366 | 0.9025304592314901 | 0.2961091460333502 | 0.03328443097826529 | 0.3855521421859964 | proxy |
| 24 | 3proxy-devel-g8000,2,3 | relay-stream16 | 1 | 1.5211650795005227 | nan | nan | nan | nan | 0 | 0 | 1490 | 9.62 | 8.069789 | 5.055084743482678 | nan | 5.75390625 | 0.0543190249072602 | 0.9066918001885014 | 0.29307731177362306 | 0.03708295126035287 | 0.3807329584563581 | proxy |
| 25 | nginx-halfclose | relay-stream16 | 1 | 1.523333095252893 | nan | nan | nan | nan | 0 | 0 | 1260 | 8.43 | 5.462334 | 4.4236739733432495 | nan | 32.0546875 | 0.04406689673480223 | 0.7526785714285714 | 0.2979970688812897 | 0.036131179145742216 | 0.35319262636772125 | none |
| 26 | 3proxy-devel | mix-relay-3k | 1 | 0.4790722528 | 1916.3 | 1966.08 | 3670.016 | 6291.456 | 0 | 0 | 0 | 8.71 | 5.206232999999999 | 14.54477891231358 | 454.5217345927047 | 1530.171875 | 0.7792521109770808 | 0.74190800681431 | 0.2632305568338702 | 1.6781686599616508 | 0.3512628257006808 | client |
| 27 | 3proxy-devel-g8000,2,2 | mix-relay-3k | 1 | 0.5037882104 | 1987 | 1703.936 | 3276.8 | 6029.312 | 0 | 0 | 0 | 8.52 | 4.723053 | 13.529494853776354 | 428.78711625566183 | 1538.5390625 | 0.7848123162082684 | 0.7263427109974424 | 0.24101382488479262 | 1.6526209123763116 | 0.30399527359817735 | client |
| 28 | 3proxy-devel-g6000,2,2 | mix-relay-3k | 1 | 0.48424996639999995 | 1931.8 | 1835.008 | 3538.944 | 6553.6 | 0 | 0 | 0 | 8.52 | 4.922916000000001 | 14.075375266768422 | 441.03944507713015 | 1527.421875 | 0.7886093640810622 | 0.7383015597920277 | 0.2512820512820513 | 1.6337638884654717 | 0.32627360289718915 | client |
| 29 | 3proxy-devel-g6000,3,2 | mix-relay-3k | 1 | 0.4745066376 | 1907.2 | 1900.544 | 3538.944 | 6291.456 | 0 | 0 | 0 | 8.48 | 4.7779739999999995 | 14.296954905231026 | 444.6308724832215 | 1526.640625 | 0.7920931874338157 | 0.7393199651264167 | 0.2516431924882629 | 1.6496351676602474 | 0.31212815625719126 | client |
| 30 | 3proxy-devel-g8000,2,3 | mix-relay-3k | 1 | 0.4630327488 | 1849.1 | 1900.544 | 3801.088 | 6291.456 | 0 | 0 | 0 | 8.77 | 5.392079 | 15.152275985192691 | 474.28478719376994 | 1530.17578125 | 0.7974504249291785 | 0.7802491103202847 | 0.25738798856053385 | 1.7336829627471153 | 0.34632625270768136 | client |
| 31 | nginx-halfclose | mix-relay-3k | 1 | 0.469943 | 1882.4 | 2031.616 | 3670.016 | 6291.456 | 0 | 0 | 0 | 7.47 | 3.9649820000000005 | 12.716435823067902 | 396.83382915427114 | 753.26953125 | 0.7707799965864482 | 0.6357446808510638 | 0.23251589464123523 | 1.7383112680482518 | 0.3005632683223655 | client |
| 32 | 3proxy-devel | mix-http-3k | 1 | 0.47587146160000005 | 1956.6 | 1966.08 | 3538.944 | 6029.312 | 0 | 0 | 0 | 9.3 | 6.584326 | 15.634474013181716 | 475.31432076050294 | 1799.51171875 | 0.7775225304824174 | 0.8370837083708371 | 0.27882296189097927 | 1.481018899011495 | 0.38765508941708904 | client |
| 33 | 3proxy-devel-g8000,2,2 | mix-http-3k | 1 | 0.4712112992 | 1871.5 | 1966.08 | 3801.088 | 6553.6 | 0 | 0 | 0 | 9.01 | 5.844727000000001 | 15.296746941844132 | 481.432006411969 | 1758.0546875 | 0.7780908770693906 | 0.8037466547725245 | 0.25096153846153846 | 1.5789244390618906 | 0.3408627806627572 | client |
| 34 | 3proxy-devel-g6000,2,2 | mix-http-3k | 1 | 0.4554669256 | 1819.2 | 2097.152 | 3932.16 | 6553.6 | 0 | 0 | 0 | 9.09 | 6.218589999999999 | 15.966033077858242 | 499.67018469656995 | 1751.62109375 | 0.7871208089409261 | 0.8159784560143627 | 0.2594752186588921 | 1.630326978062741 | 0.3662656722320729 | client |
| 35 | 3proxy-devel-g6000,3,2 | mix-http-3k | 1 | 0.43183987760000003 | 1868 | 2359.296 | 3932.16 | 6553.6 | 0 | 0 | 0 | 9.25 | 6.557521 | 17.135981144507436 | 495.1820128479657 | 1793.1015625 | 0.7864555848724715 | 0.8251561106155219 | 0.2658653846153846 | 1.5878527649563356 | 0.3655333503473147 | client |
| 36 | 3proxy-devel-g8000,2,3 | mix-http-3k | 1 | 0.4602133248 | 1838.3 | 2228.224 | 3932.16 | 6553.6 | 0 | 0 | 0 | 9.94 | 7.296144000000001 | 17.27894341924104 | 540.71696676277 | 1756.796875 | 0.7640275387263339 | 0.8613518197573656 | 0.26691553896406905 | 1.6013828791942293 | 0.36283717288981554 | client |
| 37 | nginx-halfclose | mix-http-3k | 1 | 0.483344936 | 1909.5 | 2097.152 | 3801.088 | 6553.6 | 0 | 0 | 0 | 6.86 | 3.317646 | 11.354210194932092 | 359.25634982979835 | 517.66796875 | 0.7795847750865051 | 0.5858240819812126 | 0.18112014453477868 | 1.6661046152797563 | 0.21435298045610388 | client |
| 38 | 3proxy-devel-g8000,2,2 | relay-stream16 | 2 | 1.5216942671226452 | nan | nan | nan | nan | 0 | 0 | 1385 | 9.67 | 7.999354 | 5.079259560563683 | nan | 5.32421875 | 0.05630097342804525 | 0.9054307116104869 | 0.3001493280238925 | 0.036147463850846974 | 0.3855863466871867 | proxy |
| 39 | 3proxy-devel-g6000,2,2 | relay-stream16 | 2 | 1.5217408196857887 | nan | nan | nan | nan | 0 | 0 | 1214 | 9.66 | 7.97281 | 5.072959194099325 | nan | 5.04296875 | 0.0489564545220304 | 0.9036482694106641 | 0.29 | 0.037090275758182745 | 0.37720873291664264 | proxy |
| 40 | 3proxy-devel-g6000,3,2 | relay-stream16 | 2 | 1.5215612496038893 | nan | nan | nan | nan | 0 | 0 | 1451 | 9.73 | 8.198363 | 5.110775131777109 | nan | 4.953125 | 0.0437246963562753 | 0.9119025304592315 | 0.2999001996007984 | 0.038042238335942315 | 0.3902500550729992 | proxy |
| 41 | 3proxy-devel-g8000,2,3 | relay-stream16 | 2 | 1.5203539073722143 | nan | nan | nan | nan | 0 | 0 | 1207 | 9.49 | 7.6502680000000005 | 4.989178204352433 | nan | 5.13671875 | 0.042586341210075304 | 0.8919172932330827 | 0.2895132965378826 | 0.03518904412973313 | 0.3845900023491623 | none |
| 42 | nginx-halfclose | relay-stream16 | 2 | 1.5232751038323264 | nan | nan | nan | nan | 0 | 0 | 1216 | 8.4 | 5.416289 | 4.407931361338469 | nan | 35.01953125 | 0.0338626809901915 | 0.6885245901639344 | 0.2549019607843137 | 0.032104001000423356 | 0.31799714401377865 | none |
| 43 | 3proxy-devel | relay-stream16 | 2 | 1.516187533364886 | nan | nan | nan | nan | 0 | 0 | 1422 | 9.48 | 7.508388 | 4.9976962518138475 | nan | 5.47265625 | 0.05140664961636829 | 0.8868101028999065 | 0.29199604743083 | 0.03614990294427797 | 0.38289636690466755 | none |
| 44 | 3proxy-devel-g8000,2,2 | mix-relay-3k | 2 | 0.4943908248 | 1948.9 | 1900.544 | 3538.944 | 6291.456 | 0 | 0 | 0 | 9.03 | 5.385478 | 14.611921657167454 | 463.3382933962748 | 1526.015625 | 0.7783469945355191 | 0.76010101010101 | 0.2616780045351474 | 1.67134472096355 | 0.3505855053265852 | client |
| 45 | 3proxy-devel-g6000,2,2 | mix-relay-3k | 2 | 0.4746365144 | 1887.3 | 1835.008 | 3670.016 | 6291.456 | 0 | 0 | 0 | 8.94 | 5.29041 | 15.06837291909794 | 473.69257669686857 | 1527.953125 | 0.7724632729757431 | 0.7569856054191363 | 0.2549728752260398 | 1.705834798683607 | 0.3282585557044291 | client |
| 46 | 3proxy-devel-g6000,3,2 | mix-relay-3k | 2 | 0.494409476 | 1957.1 | 1966.08 | 3538.944 | 6291.456 | 0 | 0 | 0 | 8.86 | 5.243473 | 14.336294800304353 | 452.7106432987584 | 1530.7578125 | 0.7865502183406113 | 0.7618228718830611 | 0.2631086142322097 | 1.681119310783075 | 0.3482832034569841 | client |
| 47 | 3proxy-devel-g8000,2,3 | mix-relay-3k | 2 | 0.4931189184 | 1965.5 | 1900.544 | 3407.872 | 6291.456 | 0 | 0 | 0 | 9.1 | 5.435179 | 14.76317319891331 | 462.98651742559144 | 1527.3984375 | 0.7765723003898966 | 0.7627829002514669 | 0.2511353315168029 | 1.6639615666072651 | 0.32071877719904635 | client |
| 48 | nginx-halfclose | mix-relay-3k | 2 | 0.4991721928 | 1989.1 | 1703.936 | 3276.8 | 6029.312 | 0 | 0 | 0 | 7.32 | 3.498183 | 11.731422712375096 | 368.0056306872455 | 755.15234375 | 0.7633327653774067 | 0.6125523012552301 | 0.22363060208239022 | 1.6285602280878433 | 0.2739447104974635 | client |
| 49 | 3proxy-devel | mix-relay-3k | 2 | 0.478936252 | 1908.2 | 2097.152 | 3670.016 | 6553.6 | 0 | 0 | 0 | 8.66 | 5.049348 | 14.465390688362426 | 453.8308353422073 | 1528.21875 | 0.7959111737751146 | 0.7550130775937227 | 0.25833724753405357 | 1.6940058072929614 | 0.33631108086872213 | client |
| 50 | 3proxy-devel-g8000,2,2 | mix-http-3k | 2 | 0.473667156 | 1885.6 | 2097.152 | 3801.088 | 6553.6 | 0 | 0 | 0 | 9.63 | 6.68525 | 16.26458559013959 | 510.71277047093764 | 1763.5546875 | 0.762610770279482 | 0.8337662337662337 | 0.26131591227251516 | 1.581621251100633 | 0.3601313885069279 | client |
| 51 | 3proxy-devel-g6000,2,2 | mix-http-3k | 2 | 0.4485293328 | 1814.9 | 2228.224 | 3932.16 | 6815.744 | 0 | 0 | 0 | 9.08 | 6.135001000000001 | 16.195150392179656 | 500.3030469998347 | 1769.6796875 | 0.7873471557682084 | 0.8194945848375451 | 0.2579864472410455 | 1.6213946757841344 | 0.3535673390225643 | client |
| 52 | 3proxy-devel-g6000,3,2 | mix-http-3k | 2 | 0.45095004639999997 | 1840.7 | 2228.224 | 3932.16 | 6291.456 | 0 | 0 | 0 | 10.02 | 7.3743240000000005 | 17.775804801425117 | 544.3581246265007 | 1774.4921875 | 0.7674498963372495 | 0.8652849740932642 | 0.27708042770804275 | 1.6100404302475126 | 0.3876171414673682 | client |
| 53 | 3proxy-devel-g8000,2,3 | mix-http-3k | 2 | 0.47348678639999997 | 1867.1 | 2097.152 | 3801.088 | 6553.6 | 0 | 0 | 0 | 8.59 | 5.523769999999999 | 14.513604597604457 | 460.07176905361257 | 1754.80859375 | 0.7924528301886793 | 0.7823315118397086 | 0.245074483421432 | 1.642872291841311 | 0.33002760362062267 | client |
| 54 | nginx-halfclose | mix-http-3k | 2 | 0.5017067208 | 1989.1 | 1703.936 | 3407.872 | 6029.312 | 0 | 0 | 0 | 6.89 | 3.2857450000000004 | 10.986498229903718 | 346.387813584033 | 527.79296875 | 0.791445740544362 | 0.5975715524718127 | 0.174931129476584 | 1.665326161502412 | 0.2137324346928233 | client |
| 55 | 3proxy-devel | mix-http-3k | 2 | 0.482279124 | 1889.5 | 2031.616 | 3670.016 | 6291.456 | 0 | 0 | 0 | 8.88 | 5.75274 | 14.730059101625143 | 469.9655993649113 | 1759.91796875 | 0.7870239774330042 | 0.7978436657681941 | 0.25970873786407767 | 1.6305046545649682 | 0.3632722267908676 | client |